<!DOCTYPE html>
<html>
  <link rel='stylesheet' type='text/css' href='style.css'>
  <style>
    div:nth-child(1) > .meter-sub-optimum { width: 10%; }
    div:nth-child(2) > .meter-sub-sub-optimum { width: 10%; }
    div:nth-child(3) > .meter-sub-optimum { width: 40%; }
    div:nth-child(4) > .meter-optimum { width: 10%; }
    div:nth-child(5) > .meter-optimum { width: 0%; }
    div:nth-child(6) > .meter-sub-optimum { width: 20%; }
  </style>
  <body>
    <div class="meter-element">
      <div class="meter-sub-optimum">
      </div>
    </div>
    <div class="meter-element">
      <div class="meter-sub-sub-optimum">
      </div>
    </div>
    <div class="meter-element">
      <div class="meter-sub-optimum">
      </div>
    </div>
    <div class="meter-element">
      <div class="meter-optimum">
      </div>
    </div>
    <div class="meter-element">
      <div class="meter-optimum">
      </div>
    </div>
    <div class="meter-element">
      <div class="meter-sub-optimum">
      </div>
    </div>
  </body>
</html>
